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The Video shows how to check permeability of Moulding sand (Green sand/ Bentonite Bonded sand) using a specimen tube and also Permeability checking of Core sand (Resin bonded sands) using a core permeability tube.
Information on Equipment depicted in the Video can be found on:
Core permeability tube
sandtesting.com...
Digital Permeability meter:
sandtesting.com...
Sand Rammer to make Clay bonded Specimen as well as Silicate sand Specimen:
sandtesting.com...
Split Specimen Tube to Make Silicate/ CO2 Sand specimen:
sandtesting.com...